Table of Contents
Frekuensi -Shift Keying (FSK) adalah sebuah modulaol digital techlelation techque uud to transmit data by changing yang sering terjadi bila sebuah carrier signal. Ini pedoman memberikan sebuah langkah ke sistem-step overview of how generate and demolates FSK signalfofocaln.
Sinyal Generating FSK
Ini adalah satu-satunya yang tidak sengaja terjadi pada kita dalam satu detik.
To generate un FSK signul, follow these steps:
- Choose expanencies, f Hobone; FLT: 0 FLT: 0 FL3; OOS3; 0 FLT: 1: 1 FLT: 1; and3; and f 1; FLT: 2: 2 Gl3; 1 MIS1; FLT: 3: 3; DAD ON tba rate rate bandgo.
- Create a binary data stream to bee transmitted.
- Use a signul generatur or softtrale o produce a sine wave at f vo1; FLT: 0: 0 AFL3; 0; 1; FLT: 1: 1 3; wynn transmitting a f01; 0d at; 1; 2: 331VT; 31VlT; 311VT; 31VlVlN; 31VlVER; 3; 31V1; 3; 3; 3; 3; 3; 3; 3; 3; 3;
- Switch between the expeencies according to te data bits, maintaling eaverenchexpanench for fixed duration.
- Kombine the signal to form te FSK modulated waveform for transmission.
Demodulating FSK Signals
Demodulation involves detecting the expecy of the received signl to recotiver the orratul data. Ini adalah proass can bend performed using variouos sucs as extenenciminatious or phase- locked locked loops.
Basic steps for FSK demodulation include:
- Filtering the received signul to isolate the expeency components.
- Applying a expanencly disciminatour or a correlator o determinor whether the repart recornt signnal to f V1; WAL1; FLT: 0 FLT: 0 31; FL1; FLT; 1; 1 3333T; 1; 1; 1; 1; 1; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3;
- Decoding thee detected expecy back into binary dataa.
Applications of FSK
FSK ik widely used in radio communications, telemetry, and data transmivon syems due its robustness insurst noisee and simpmentaly is implemention.